---
title: "MBON PIMCPA"
output: 
  flexdashboard::flex_dashboard:
    theme: lumen
    social: menu
    source: embed
---

```{r setup, include=FALSE}
library(flexdashboard)
library(leaflet)
library(ggplot2)
library(plotly)
library(spocc)
library(mapr)
library(readr)
library(reshape2)
library(xts)
library(dygraphs)
library(plotly)
library(lubridate)
library(dplyr)


library(RColorBrewer)
palette(brewer.pal(8, "Set2"))


```

```{r dataread, message=FALSE, warning=FALSE, include=FALSE}
#READ both files metadata and percent covers 
setwd(paste0(getwd(),"/DATA"))#set new WD to folder DATA
PIMCPA.cover <- read.csv("percent_covers.csv")
PIMCPA.metadata <- read.csv("metadata.csv")
setwd("..")# original WD

colnames(PIMCPA.cover)[2] <-"Name" 
#Merge PIMCPA.metadata and PIMCPA.cover
PIMCPA<- merge(PIMCPA.metadata,PIMCPA.cover, by = "Name", all.x = TRUE) 

#Create long type dataframe 
library(reshape)
PIMCPA_long = melt(PIMCPA, id.vars = 1:21, measure.vars = 22:ncol(PIMCPA), variable_name = "CATAMI", value_name ="cover", na.rm = T)
#rename columns because the ontop command is not working 
colnames(PIMCPA_long)[23] <- "cover"

#Calculate mean, SD, SE for cover data by factors 
library(doBy)
Coverdata <- summaryBy(cover ~ CATAMI + strata,data=PIMCPA_long, FUN = function(x) { c(mean = mean(x),SD=sd(x),SE = sqrt(var(x)/length(x)))})

#add year from date info
PIMCPA$year <- lubridate::year(PIMCPA$Date)
photo_bydate = as.data.frame(table(PIMCPA$year,PIMCPA$site,PIMCPA$strata))
colnames(photo_bydate)=c("Fecha","Sitio","Estrato","n fotocuadrantes")  

#SST
#getSST.r was used to get data 
## get sampling event dates
samplingDates = unique(PIMCPA$Date)

## read SST values
library(readr)
setwd(paste0(getwd(),"/DATA"))#set new WD to folder DATA
SST = read_csv("PIMCPA_SST.csv")
SST.clim = read_csv("PIMCPA_Climatology.csv")
setwd("..")# original WD
```


Column1 {.tabset .tabset-fade}
-------

### Mapa Fotoquadrantes
```{r map, message=FALSE, warning=FALSE}
library(leaflet)
leaflet() %>% 
addMiniMap(toggleDisplay = T) %>% 
addProviderTiles(providers$Esri.WorldImagery) %>%
addCircleMarkers(data = PIMCPA, ~Longitude, ~Latitude,weight = 0.5,col = 'green', fillColor = 'green',radius = 4, fillOpacity = 0.5, stroke = T, label =PIMCPA$Name,group ='Fotocuadrantes')%>%
addLayersControl(overlayGroups = c("Fotocuadrantes"),options = layersControlOptions(collapsed = FALSE),position = 'topright')
```


### Temperatura superficial del mar (°C) 
```{r SST}
## plot SST from stored values
# [Datos extraidos de ERDDAP](https://coastwatch.pfeg.noaa.gov/erddap/info/jplMURSST41/index.html)

SST.xts = as.xts(SST$SST, SST$time)
dygraph(SST.xts, 
        ylab = "Temperatura del mar superficial °C") %>% 
  dySeries("V1", label ="SST °C", color = "steelblue") %>%
  dyHighlight(highlightCircleSize = 5, 
              highlightSeriesBackgroundAlpha = 0.2,
              hideOnMouseOut = FALSE) %>% 
  dyOptions(fillGraph = FALSE, fillAlpha = 0.4) %>% 
  dyEvent(samplingDates,  color="red") %>% 
  dyRangeSelector(dateWindow = c(max(SST$time) - years(5), max(SST$time)))

```

### Climatología
```{r}
## subset SST for last year
SST.lastyear = SST %>% filter(year(time)==max(year(time)))

## make the plot
pp = ggplot(SST.clim, aes(yDay, SST.mean))
pp = pp + geom_line() + geom_smooth(span=0.25, se=FALSE, colour="steelblue") +  
  geom_ribbon(aes(ymin=SST.q25, ymax=SST.q75), fill="steelblue", alpha=0.5) +
  geom_line(data=SST.lastyear, aes(yday(time), SST), colour="red") + 
  ylab("Temperatura del mar superficial °C") + xlab("Día del año") + 
  theme_bw(base_size = 9) 
ggplotly(pp) %>% plotly::config(displayModeBar = F) 

```

### Phylum 
```{r donut}
##numbers of observations by phylum 
p = Coverdata %>% plot_ly(labels = ~CATAMI, values=~cover.mean) %>% 
  add_pie(hole=0.6) %>% 
  layout(title = ~paste0("Porcentaje de cobertura promedio por categoria ")) 

plotly::config(p,displayModeBar = F) 
```


### Cobertura de organismos vivos x estrato
```{r taxacover}
taxacover = PIMCPA_long %>% filter(CATAMI != "Substrate..Consolidated..hard.") %>% 
  group_by(site, strata, Image.ID) %>% 
  summarise(sumcover = sum(cover, na.rm=T))

pp = ggplot(taxacover, aes(x=factor(strata,level=c('LOWTIDE', 'MIDTIDE', 'HIGHTIDE')), sumcover, fill=strata))
pp = pp + geom_boxplot() + ylab("% Cover of all taxa per quadrat") + xlab("")+
  facet_grid(~site) + 
  theme_bw(base_size = 10) + theme(legend.position = "none")
ggplotly(pp)
```

### Species frequency
```{r}
taxafreq = PIMCPA_long %>% filter(cover>0)%>%
  group_by(site, strata, CATAMI) %>%  
  summarise(sppfreq = n()) %>% arrange(sppfreq) %>% mutate(sppacum = cumsum(sppfreq))

pp = ggplot(taxafreq, aes(CATAMI, sppfreq, fill=strata))
pp = pp + geom_bar(stat="identity") + coord_flip() + facet_grid(~site) + 
  theme_bw(base_size = 10) + xlab("") + ylab("number of quadrats present")

ggplotly(pp)

```

Column3{data-width=200}
-------

### Fotoquadrantes por fecha y sitio
```{r}
knitr::kable(as.data.frame(table(PIMCPA$year,PIMCPA$site,PIMCPA$strata)),col.names = c("Año","Sitio","Estrato","n"))
```